EP3458643A4 - METHOD FOR GENERATING CLEAN STEAM IN A CONTINUOUS DIGESTER SYSTEM - Google Patents

METHOD FOR GENERATING CLEAN STEAM IN A CONTINUOUS DIGESTER SYSTEM Download PDF

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Publication number
EP3458643A4
EP3458643A4 EP17799773.1A EP17799773A EP3458643A4 EP 3458643 A4 EP3458643 A4 EP 3458643A4 EP 17799773 A EP17799773 A EP 17799773A EP 3458643 A4 EP3458643 A4 EP 3458643A4
Authority
EP
European Patent Office
Prior art keywords
continuous digester
clean steam
digester system
generating clean
generating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17799773.1A
Other languages
German (de)
French (fr)
Other versions
EP3458643B1 (en
EP3458643A1 (en
Inventor
Krister Olsson
Jari Miettinen
Keyla MIETTINEN
Kjell Ljungkvist
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valmet Technologies Oy
Valmet AB
Original Assignee
Valmet Oy
Valmet AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valmet Oy, Valmet AB filed Critical Valmet Oy
Publication of EP3458643A1 publication Critical patent/EP3458643A1/en
Publication of EP3458643A4 publication Critical patent/EP3458643A4/en
Application granted granted Critical
Publication of EP3458643B1 publication Critical patent/EP3458643B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0042—Fractionating or concentration of spent liquors by special methods
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C7/00—Digesters
    • D21C7/10—Heating devices
EP17799773.1A 2016-05-17 2017-05-16 Method for generation of clean steam in a continuous digester system Active EP3458643B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1650664A SE1650664A1 (en) 2016-05-17 2016-05-17 Method for generation of clean steam in a continuous digester system
PCT/SE2017/050511 WO2017200470A1 (en) 2016-05-17 2017-05-16 Method for generation of clean steam in a continuous digester system

Publications (3)

Publication Number Publication Date
EP3458643A1 EP3458643A1 (en) 2019-03-27
EP3458643A4 true EP3458643A4 (en) 2019-12-11
EP3458643B1 EP3458643B1 (en) 2022-09-07

Family

ID=60051233

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17799773.1A Active EP3458643B1 (en) 2016-05-17 2017-05-16 Method for generation of clean steam in a continuous digester system

Country Status (8)

Country Link
US (1) US10815617B2 (en)
EP (1) EP3458643B1 (en)
ES (1) ES2927242T3 (en)
FI (1) FI3458643T3 (en)
PT (1) PT3458643T (en)
SE (1) SE1650664A1 (en)
WO (1) WO2017200470A1 (en)
ZA (1) ZA201805950B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI127712B (en) * 2016-04-22 2018-12-31 Andritz Oy METHOD AND ARRANGEMENT FOR PROCESS STEAM PRODUCTION
PL4122662T3 (en) * 2021-07-23 2024-07-15 Fiberboard Gmbh Method for producing fibreboard with reduced voc emissions
EP4435175B1 (en) * 2023-03-23 2026-04-29 SWISS KRONO Tec AG Method for producing a wood fibre fabric and wood fibre fabric production device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897157A (en) * 1986-07-08 1990-01-30 Kamyr, Inc. Make-up liquor and black liquor evaporating processing during pulp production
US5089087A (en) * 1986-07-08 1992-02-18 Kamyr, Inc. Make-up liquor and black liquor evaporating process during pulp production
US5302247A (en) * 1992-11-02 1994-04-12 Kamyr, Inc. Top circulation line cooling for a modified cook digester
WO2004005608A1 (en) * 2002-07-02 2004-01-15 Andritz, Inc. Solvent pulping of biomass
US20070131363A1 (en) * 2005-10-24 2007-06-14 Andritz Inc. Fiberline systems, processes and methods

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2029360A (en) 1935-08-23 1936-02-04 Foster Wheeler Corp Heat recovery system
US3816239A (en) * 1971-03-12 1974-06-11 Envirotech Corp Recovery of terpenes
FI52128C (en) * 1976-04-12 1977-06-10 Rosenlew Ab Oy W The way to recover heat during pulping and fractions of black liquor containing volatile alcohols and sulfur compounds.
ATE159778T1 (en) 1990-08-17 1997-11-15 Alcell Tech Inc METHOD FOR CONTINUOUS SOLVENT DEPOSITION
US5547546A (en) 1994-10-04 1996-08-20 Ahlstrom Machinery Inc. Chip bin with steaming control and a gas vent containing a vacuum and pressure relief device
US5547565A (en) * 1994-12-05 1996-08-20 Baldwin Filters, Inc. Fuel/water separator with adaptor plate for drain valve and water detector
US6306252B1 (en) 1995-04-10 2001-10-23 Andritz-Ahlstrom Inc. Heat recovery from spent digester cooking liquor
US6468390B1 (en) * 1998-08-24 2002-10-22 Kvaerner Pulping Ab Method for continuous cooking of lignocellulosic fiber material
DE69839023D1 (en) * 1998-11-09 2008-03-06 Metso Fiber Karlstad Ab METHOD FOR PRODUCING STEAM FROM BLACK RIVER
US6176971B1 (en) 1998-11-18 2001-01-23 Andritz-Ahlstrom Inc. Heat economy enhancements for the recovery and use of energy obtained from spent cooking liquors
US6284095B1 (en) 1999-02-04 2001-09-04 Andritz-Ahlstrom Inc. Minimization of malodorous gas release from a cellulose pulp mill feed system
SE528574C2 (en) * 2005-12-21 2006-12-19 Kvaerner Pulping Tech Steam generating system for digester plant for chemical cellulose pulp production, has pressure reduction arrangement to reduce pressure of re-heated liquor, while expelling liquor steam to steam converter for heating process fluid
FI122983B (en) * 2009-02-09 2012-09-28 Andritz Inc A process for steam generation at a pulp mill digester
FI127386B (en) * 2014-03-05 2018-04-30 Andritz Oy Procedure for steam generation in a pulp mill's cookery

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897157A (en) * 1986-07-08 1990-01-30 Kamyr, Inc. Make-up liquor and black liquor evaporating processing during pulp production
US5089087A (en) * 1986-07-08 1992-02-18 Kamyr, Inc. Make-up liquor and black liquor evaporating process during pulp production
US5302247A (en) * 1992-11-02 1994-04-12 Kamyr, Inc. Top circulation line cooling for a modified cook digester
WO2004005608A1 (en) * 2002-07-02 2004-01-15 Andritz, Inc. Solvent pulping of biomass
US20070131363A1 (en) * 2005-10-24 2007-06-14 Andritz Inc. Fiberline systems, processes and methods

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017200470A1 *

Also Published As

Publication number Publication date
SE539572C2 (en) 2017-10-17
US10815617B2 (en) 2020-10-27
EP3458643B1 (en) 2022-09-07
SE1650664A1 (en) 2017-10-17
PT3458643T (en) 2022-09-22
WO2017200470A1 (en) 2017-11-23
ES2927242T3 (en) 2022-11-03
ZA201805950B (en) 2019-12-18
FI3458643T3 (en) 2022-12-15
US20190218712A1 (en) 2019-07-18
EP3458643A1 (en) 2019-03-27

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